Infrared Heaters

[Flyinfool]

Sure was nice to see them explain it in a similar way as I did:

 

 

http://www.osceolaelectric.com/Energy_Center/Portable_Electric_Heaters/index.html

 

There is a slight loss in effiency...very slight, if the heater uses a fan or if any part of the heater emits visible light. That is why I stated 99.9%...which is close enough thats its about the same as the 100% figure they gave.

 

 

 

Actually that little bit of energy that the fan uses is still making heat.

The fan motor will get warm and is air cooled so that heat energy is still getting into the room. The friction in the shaft bearing will turn to heat and that heat will still be in the room. The friction of the air molecules against the blades and other things that the moving air hits will also generate heat from the friction. So all of that energy still ends up in the room. Visible light is still a form of energy. As long as it is not allowed out a window or door it will still strike something in the room and generate heat. So you can really say that an electric heater is 100% efficient. ALL of the electrical energy is released into the room.

 

But just because it is 100 percent efficient does not make it cheaper to run than a 90% efficient heat source that uses a different, less expensive, source of energy.

[Guest tx2sturgis]

Actually that little bit of energy that the fan uses is still making heat.

The fan motor will get warm and is air cooled so that heat energy is still getting into the room. The friction in the shaft bearing will turn to heat and that heat will still be in the room. The friction of the air molecules against the blades and other things that the moving air hits will also generate heat from the friction. So all of that energy still ends up in the room. Visible light is still a form of energy. As long as it is not allowed out a window or door it will still strike something in the room and generate heat. So you can really say that an electric heater is 100% efficient. ALL of the electrical energy is released into the room.

 

But just because it is 100 percent efficient does not make it cheaper to run than a 90% efficient heat source that uses a different, less expensive, source of energy.

 

 

I recognize bait when I see it!